* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
ul,
li {
  list-style-type: none;
}
input,
button {
  border: none;
  /* outline: none; */
}
a,
a:hover {
  text-decoration: none;
  color: #333;
}

.clearfix::after {
  content: '';
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
}

body {
  padding: 60px 0 40px;
  font-size: 13px;
  color: rgb(51, 51, 51);
  font-family: 'Microsoft YaHei UI', 'Microsoft YaHei', MicrosoftJhengHei;
}

header {
  background-color: #fafafa;
  background-image: linear-gradient(to bottom, #ffffff, #f2f2f2);
  border-bottom: 1px solid #d3d3d3;
  color: #777;
  font-size: 14px;
  margin-bottom: 25px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 99;
  box-shadow: 0 0 5px #ccc;
  .header_box {
    width: 980px;
    margin: 0 auto;
    display: flex;
    position: relative;
    .logo {
      line-height: 38px;
      padding: 0 20px 0 45px;
      font-size: 18px;
      color: #666;
      // background: url(../../assets/imgs/logo.favcion) no-repeat;
      background-position: 0 10px;
    }
    .tab {
      display: flex;
      align-items: center;
      li {
        margin: 0 1px 0 1px;
        a {
          display: block;
          line-height: 38px;
          padding: 0 14px 0 14px;
          color: #777;
          font-weight: 700;
          &:hover {
            color: #333;
            background-color: transparent;
          }
        }
        &:nth-child(4) {
          position: absolute;
          right: 0;
        }
      }
      .active {
        background-color: #e5e5e5;
        box-shadow: 0 1px 5px rgb(0 0 0 / 13%) inset;
        color: #555;
      }
    }
  }
}

.content {
  width: 980px;
  margin: 0 auto;
  .content_title {
    font-size: 20px;
    padding: 0 0 7px 0;
    margin-bottom: 10px;
    color: #555;
    line-height: 28px;
    font-weight: 500;
  }
  .content_form {
    label {
      display: block;
      margin-bottom: 2px;
    }
    .tip {
      color: #999;
      background-color: #f6f6f6;
    }
    input {
      width: 220px;
      padding: 8px;
      border: 1px solid #d9d9d9;
      border-top: 1px solid silver;
      height: 38px;
    }
    P {
      margin-bottom: 10px;
    }
    textarea {
      display: block;
      width: 690px;
      border: 1px solid #d9d9d9;
      padding: 8px;
    }
    .text_one {
      height: 160px;
    }
    .text_two {
      height: 60px;
    }
    .addText {
      display: block;
      background: #ff0033;
      border: 1px solid #ff0033;
      color: #fff;
      padding: 7px 12px;
      outline: none;
    }
  }
}
//表单验证时的样式
.error {
  color: #900;
  margin-bottom: 5px;
  display: none;
}
.show {
  display: block;
}
